On Sun, Sep 28, 2014 at 8:38 AM, Tanya Brokhman <tlinder@xxxxxxxxxxxxxx> wrote:
A given eraseblock can be read many times or not at all.
We do not have the account of such eraseblocks that have
not been accessed since a pre-defined threshold interval.
By means of scanning the entire flash device it is possible to identify
all such eraseblocks.
Add a sysfs entry to force scan on all the PEBs on demand basis.
The sysfs entry would be available under /sys/class/ubi/ubiX/peb_scan
- echo 1 to this entry would trigger the scan, ignored if in progress
- On reading returns the scan status (1 = Scan executing, 0 = Scan not
Did you see that?
Maybe we can combine our work.
Although your patch seems to be in better shape than mine. :)